Brest serves as an important rail junction in Brittany, France. The main station, Gare de Brest, connects local and regional trains with services to larger cities such as Quimper, Rennes, and Paris. TGV services from Brest allow direct links to Paris Montparnasse, significantly reducing travel time to the capital. Additionally, regional services connect to towns across the region, ensuring that Brest is well-integrated into the national rail network. This facilitates access to various destinations within France, making it a key point for train travelers.